From 8c12c6939aab9106db14ec2d11d983bc5b29fb2c Mon Sep 17 00:00:00 2001 From: Niall Sheridan Date: Sun, 7 Jul 2019 21:33:44 +0100 Subject: Switch to modules --- .../private/protocol/eventstream/message.go | 103 --------------------- 1 file changed, 103 deletions(-) delete mode 100644 vendor/github.com/aws/aws-sdk-go/private/protocol/eventstream/message.go (limited to 'vendor/github.com/aws/aws-sdk-go/private/protocol/eventstream/message.go') diff --git a/vendor/github.com/aws/aws-sdk-go/private/protocol/eventstream/message.go b/vendor/github.com/aws/aws-sdk-go/private/protocol/eventstream/message.go deleted file mode 100644 index 2dc012a..0000000 --- a/vendor/github.com/aws/aws-sdk-go/private/protocol/eventstream/message.go +++ /dev/null @@ -1,103 +0,0 @@ -package eventstream - -import ( - "bytes" - "encoding/binary" - "hash/crc32" -) - -const preludeLen = 8 -const preludeCRCLen = 4 -const msgCRCLen = 4 -const minMsgLen = preludeLen + preludeCRCLen + msgCRCLen -const maxPayloadLen = 1024 * 1024 * 16 // 16MB -const maxHeadersLen = 1024 * 128 // 128KB -const maxMsgLen = minMsgLen + maxHeadersLen + maxPayloadLen - -var crc32IEEETable = crc32.MakeTable(crc32.IEEE) - -// A Message provides the eventstream message representation. -type Message struct { - Headers Headers - Payload []byte -} - -func (m *Message) rawMessage() (rawMessage, error) { - var raw rawMessage - - if len(m.Headers) > 0 { - var headers bytes.Buffer - if err := encodeHeaders(&headers, m.Headers); err != nil { - return rawMessage{}, err - } - raw.Headers = headers.Bytes() - raw.HeadersLen = uint32(len(raw.Headers)) - } - - raw.Length = raw.HeadersLen + uint32(len(m.Payload)) + minMsgLen - - hash := crc32.New(crc32IEEETable) - binaryWriteFields(hash, binary.BigEndian, raw.Length, raw.HeadersLen) - raw.PreludeCRC = hash.Sum32() - - binaryWriteFields(hash, binary.BigEndian, raw.PreludeCRC) - - if raw.HeadersLen > 0 { - hash.Write(raw.Headers) - } - - // Read payload bytes and update hash for it as well. - if len(m.Payload) > 0 { - raw.Payload = m.Payload - hash.Write(raw.Payload) - } - - raw.CRC = hash.Sum32() - - return raw, nil -} - -type messagePrelude struct { - Length uint32 - HeadersLen uint32 - PreludeCRC uint32 -} - -func (p messagePrelude) PayloadLen() uint32 { - return p.Length - p.HeadersLen - minMsgLen -} - -func (p messagePrelude) ValidateLens() error { - if p.Length == 0 || p.Length > maxMsgLen { - return LengthError{ - Part: "message prelude", - Want: maxMsgLen, - Have: int(p.Length), - } - } - if p.HeadersLen > maxHeadersLen { - return LengthError{ - Part: "message headers", - Want: maxHeadersLen, - Have: int(p.HeadersLen), - } - } - if payloadLen := p.PayloadLen(); payloadLen > maxPayloadLen { - return LengthError{ - Part: "message payload", - Want: maxPayloadLen, - Have: int(payloadLen), - } - } - - return nil -} - -type rawMessage struct { - messagePrelude - - Headers []byte - Payload []byte - - CRC uint32 -} -- cgit v1.2.3